bobhasissues
Oct 19 2009, 09:40 AM
Before I tore out my old leaky vacuum pump system, I had little check valves below each washer nozzle. What are these things supposed to do?
underthetire
Oct 19 2009, 09:51 AM
They keep the fluid from draining back in to the tank. That way the washers worked as soon as you used them.
zonedoubt
Oct 19 2009, 10:41 AM
Check valve allows fluid flow only in one direction.
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